3G Fuzzyband Downgrader is an app available via Cydia by Big Boss Repo. This is an app that can help you downgrade the 3G baseband if you had upgraded to the 3.0 Beta Firmware & are now stuck on that baseband.

This is a Safer iPhone 3G baseband downgrader as it detects the baseband and the bootloader versions First and then advices you if the downgrade can be performed on your device.  as you can see the phone we ran this on doesn’t support the downgrade yet.

What does this do ? -

1. It saves you from all the guess work. You don’t have to know your Bootloader version.
2. It finds the bootloader for you & performs the downgrade if it is possibe.

Below are examples of Successfull Downgrade of a baseband.